Home / 1,376,049.18-1,898,895.78-764,241.33

Finding the Fourth Proportional to 1,376,049.18, 1,898,895.78 and 764,241.33

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Solution

The fourth proportional to 1,376,049.18, 1,898,895.78 and 764,241.33 is: 1,054,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,049.18 : 1,898,895.78 = 764,241.33 : x
  2. Step 2: Convert to fraction form
    1,376,049.18/1,898,895.78 = 764,241.33/x
  3. Step 3: Cross multiply
    1,376,049.18x = 1,898,895.78 × 764,241.33
  4. Step 4: Simplify right side
    1,376,049.18x = 1,451,214,636,438.59
  5. Step 5: Solve for x
    x = 1,451,214,636,438.59/1,376,049.18
  6. Step 6: Final answer
    x = 1,054,624.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.